Los-Nr. 6249

1881, Prepaid letter with contents, written July 22nd on board a sailing ship and intended to be posted in a Swedish port. However for one reason or another, the letter was posted in Helsingör (Denmark). The value of the 12 öre Swedish stamp was considered null and void and marked with red crayon. Binational agreements not having an effect on a third nation were accepted by the UPU and therefore the Danish/Swedish convention of 1879 was applicable. It stipulated a prepaid rate of 12 öre and an unpaid rate of 25 öre. Franked on reverse with 1 öre + 24 öre adhesives cancelled "STOCKHOLM ANK:A 25.7.1881".